Finding the Fourth Proportional to 160,428.75, 221,450.00 and 93,360.75
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Solution
The fourth proportional to 160,428.75, 221,450.00 and 93,360.75 is: 128,871.77
Step by Step Solution
- Step 1: Write the proportion equation
160,428.75 : 221,450.00 = 93,360.75 : x - Step 2: Convert to fraction form
160,428.75/221,450.00 = 93,360.75/x - Step 3: Cross multiply
160,428.75x = 221,450.00 × 93,360.75 - Step 4: Simplify right side
160,428.75x = 20,674,737,620.70 - Step 5: Solve for x
x = 20,674,737,620.70/160,428.75 - Step 6: Final answer
x = 128,871.77
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.